The length of second’s hand in a watch is 1 cm. The magnitude of the change in velocity of its tip in 15 seconds is The length of second's hand in a watch is 1 cm. The magnitude of the change in velocity of its tip in 15 seconds is September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related